Chemistry
Another name for the number of protons in an atom.
What is atomic number?
Living components of an environment, such as plants and animals, are known as these.
What are biotic factors?
The place where fresh water and salt water mix.
What is an estuary?
This is the most effective defense against the polio virus.
What is a vaccine?
This symbiotic relationship helps both organisms.
What is mutualism?
This is the charge for an electron.
What is negative?
The remains of prehistoric organisms preserved in rock.
What are fossils?
Deep water moves up to the surface of the ocean through this process.
What is upwelling?
This pathogen requires a host to reproduce.
What is a virus?
This is the name of the bottom trophic layer of an energy pyramid.
What is the primary producer?
The number of valence shells in oxygen.
What is 2.
This type of fossil shows evidence of ancient organisms' activities like footprints.
What are trace fossils?
This is a fresh water river or stream that flows into a larger body of water.
What is a tributary?
This could be the cause of an intestinal virus.
What is contaminated water?
Name the term for lettuce, then a bunny.
Primary producer and primary consumer.
A new substance being formed is an example of this.
What is a chemical change.
This type of boundry occurs when 2 tectonic plates move away from each other.
What is divergent boundry.
This is the ocean zone that lies between low and high tides.
What is the intertidal zone?
This parasite is responsible for Lyme disease.
What is a deer tick?
Name the fourth trophic level in an energy pyramid.
What is the tertiary?
THe family of noble gases is in this group on the periodic table.
What is group 18.
This type of rock develops from the cooling of magma.
What is igneous?
The permeable layer underground is calle this when filled with water.
What is saturated>
A scientist is examining this organism without a nucleus.
What is a bacterium?
This rule is why there are not levels above the tertiary level.
What is the 10% rule.